Sync xe_drm.h with f2881dfdaaa9 ("drm/xe/oa/uapi: Make bit masks unsigned").
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30127>